JP3938740B2 - Mr画像生成方法およびmri装置 - Google Patents
Mr画像生成方法およびmri装置 Download PDFInfo
- Publication number
- JP3938740B2 JP3938740B2 JP2002297076A JP2002297076A JP3938740B2 JP 3938740 B2 JP3938740 B2 JP 3938740B2 JP 2002297076 A JP2002297076 A JP 2002297076A JP 2002297076 A JP2002297076 A JP 2002297076A JP 3938740 B2 JP3938740 B2 JP 3938740B2
- Authority
- JP
- Japan
- Prior art keywords
- function
- signal
- center position
- value
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002297076A JP3938740B2 (ja) | 2002-10-10 | 2002-10-10 | Mr画像生成方法およびmri装置 |
US10/679,918 US6774630B2 (en) | 2002-10-10 | 2003-10-06 | MRI apparatus |
DE10346792A DE10346792A1 (de) | 2002-10-10 | 2003-10-08 | MRI Einrichtung |
KR1020030070102A KR101065153B1 (ko) | 2002-10-10 | 2003-10-09 | Mri 장치 |
CN 200310100770 CN1248650C (zh) | 2002-10-10 | 2003-10-09 | 磁共振成像设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002297076A JP3938740B2 (ja) | 2002-10-10 | 2002-10-10 | Mr画像生成方法およびmri装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007001895A Division JP4723519B2 (ja) | 2007-01-10 | 2007-01-10 | Mr画像生成方法およびmri装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004129833A JP2004129833A (ja) | 2004-04-30 |
JP3938740B2 true JP3938740B2 (ja) | 2007-06-27 |
Family
ID=32064177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002297076A Expired - Fee Related JP3938740B2 (ja) | 2002-10-10 | 2002-10-10 | Mr画像生成方法およびmri装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6774630B2 (ko) |
JP (1) | JP3938740B2 (ko) |
KR (1) | KR101065153B1 (ko) |
DE (1) | DE10346792A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7230429B1 (en) * | 2004-01-23 | 2007-06-12 | Invivo Corporation | Method for applying an in-painting technique to correct images in parallel imaging |
JP4717422B2 (ja) * | 2004-11-26 | 2011-07-06 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | Mr画像生成方法、mri装置、およびその方法をコンピュータに実行させるプログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4991092A (en) * | 1988-08-12 | 1991-02-05 | The Regents Of The University Of California | Image processor for enhancing contrast between subregions of a region of interest |
JPH05285116A (ja) * | 1992-04-14 | 1993-11-02 | Toshiba Corp | 磁気共鳴イメージング方法 |
US5309099A (en) * | 1992-08-07 | 1994-05-03 | The Board Of Trustees Of The Leland Stanford Junior University | Method of determining real-time spatially localized velocity distribution using magnetic resonance measurements |
US5899858A (en) * | 1997-04-10 | 1999-05-04 | Mayo Foundation For Medical Education And Research | MR imaging with enhanced sensitivity of specific spin motion |
US6381486B1 (en) * | 1999-01-08 | 2002-04-30 | Wisconsin Alumni Research Foundation | Magnetic resonance angiography with vessel segmentation |
JP3342853B2 (ja) * | 1999-08-27 | 2002-11-11 | ジーイー横河メディカルシステム株式会社 | 磁気共鳴撮像装置 |
US6320383B1 (en) * | 2000-01-18 | 2001-11-20 | Ge Yokogawa Medical Systems, Limited | RF coil, RF magnetic field generating apparatus and magnetic resonance imaging method and apparatus |
DE10012278C2 (de) * | 2000-03-14 | 2002-10-17 | Siemens Ag | Verfahren zum Betrieb eines Magnetresonanzgeräts zum Erzeugen eines Magnetresonanzspektrums |
JP3884227B2 (ja) * | 2000-11-21 | 2007-02-21 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 磁気共鳴撮影装置 |
-
2002
- 2002-10-10 JP JP2002297076A patent/JP3938740B2/ja not_active Expired - Fee Related
-
2003
- 2003-10-06 US US10/679,918 patent/US6774630B2/en not_active Expired - Fee Related
- 2003-10-08 DE DE10346792A patent/DE10346792A1/de not_active Ceased
- 2003-10-09 KR KR1020030070102A patent/KR101065153B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20040070395A1 (en) | 2004-04-15 |
JP2004129833A (ja) | 2004-04-30 |
DE10346792A1 (de) | 2004-07-22 |
KR101065153B1 (ko) | 2011-09-16 |
KR20040032778A (ko) | 2004-04-17 |
US6774630B2 (en) | 2004-08-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Noll et al. | Deblurring for non‐2D Fourier transform magnetic resonance imaging | |
JPH1176201A (ja) | マクスウェル項誤差を補正する方法 | |
JP2000166892A5 (ko) | ||
US10470685B2 (en) | Method and apparatus for capturing magnetic resonance image | |
JPH10137215A (ja) | 画像の分解能を向上させる方法、投影画像の一部を拡大させる方法及び画像の分解能を向上させる装置 | |
NL8901353A (nl) | Vermindering van door afsluiting veroorzaakte artefacten. | |
JP3938740B2 (ja) | Mr画像生成方法およびmri装置 | |
JP3865887B2 (ja) | 画像補正方法 | |
JP4723519B2 (ja) | Mr画像生成方法およびmri装置 | |
JP3033851B2 (ja) | 磁気共鳴イメージング装置 | |
JP4717422B2 (ja) | Mr画像生成方法、mri装置、およびその方法をコンピュータに実行させるプログラム | |
RU2576342C2 (ru) | Широкополосная магнитно-резонансная спектроскопия в сильном статическом (b0) магнитном поле с использованием переноса поляризации | |
EP1995604B1 (en) | High speed, high resolution, silent, real-time MRI method | |
US9810757B2 (en) | High-speed magnetic resonance imaging method and apparatus | |
JP3447099B2 (ja) | Mri装置 | |
EP3851865B1 (en) | Accelerated wave data mr acquisition | |
JP3310751B2 (ja) | 非対称rfパルス作成方法およびmri装置 | |
JP3878394B2 (ja) | Mri装置 | |
Loecher et al. | k-Space | |
JP3440134B2 (ja) | 磁気共鳴イメージング装置 | |
JPS63109847A (ja) | 核磁気共鳴映像装置 | |
JP3615614B2 (ja) | Mri装置 | |
JP3490161B2 (ja) | Mrアンジオグラフィーによる異方性流れ情報画像の処理方法およびmri装置 | |
JP4558866B2 (ja) | 位相分布測定方法および装置、位相補正方法および装置、並びに、磁気共鳴撮像装置 | |
JP3439845B2 (ja) | Mri用ランプドrfパルスの生成方法およびmri装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A625 | Written request for application examination (by other person) |
Free format text: JAPANESE INTERMEDIATE CODE: A625 Effective date: 20040630 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20060316 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060418 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060713 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20061031 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070110 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20070226 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070313 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070323 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100406 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100406 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110406 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110406 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120406 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130406 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130406 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130406 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130406 Year of fee payment: 6 |
|
LAPS | Cancellation because of no payment of annual fees |